Dark energy core

Dark energy core
Released								16 October 2014 (Update)
Members								Yes
Combat level								75
Size								1x1
Examine								A small being of dark energy.
League region								Wilderness✓
Combat info
XP bonus								+0%
Max hit								13
Aggressive								Yes
Poisonous								No
Attack style								None
Attack speed								2 ticks (1.2 seconds)
Respawn time								3 ticks (1.8 seconds)
Combat stats
25				1				1				20				1				1
Aggressive stats
+0				+0				+0				+0				+0				+0
Melee defence
+10								+10								+10
Magic defence
-5												No elemental weakness
Ranged defence
+10								+10								+10
Immunities
Poison								0% resistance
Venom								0% resistance
Cannons								Not immune
Thralls								Not immune
Open in DPS calculator
Advanced data
Monster ID								320
Link								MOID

The Dark energy core is a monster that is ejected from the Corporeal Beast while fighting it. Upon spawning, it will begin to damage players within a 3x3 (1 tile) radius of it, dealing 5–13 damage every 2 ticks (1.2 seconds) and healing the Corporeal beast for 50% (rounded down) of the damage dealt. If no player is actively being damaged by the core, it will instead jump towards a player in the arena. This can be especially problematic when in large groups; as such, it is recommended to kill the core as soon as it appears. The core can also be weakened by being poisoned; once poisoned, its attacks will become significantly slower, though it will continue to jump towards players. If the Corporeal Beast dies, the dark energy core will disappear.

The dark energy core will usually jump toward the player standing at the northernmost position relative to the Corporeal Beast. If no players are on the northern side, it will instead prioritise players to the east of the Corporeal Beast. As such, it is typically advised that the person tanking or running the core stands to the north or east of the Corporeal Beast. While the core cannot directly be attacked while jumping, if it is killed during a jump (such as by ranged/mage projectile or by a dwarf multicannon), it will not respawn for the remaining duration of the fight.

The dark core has a 1 in 8 chance of spawning after the Corporeal Beast receives 32 or more damage from a hit, or when it attacks while below 1,000 Hitpoints.^[1]

• The dark energy core had a festive override wearing a yellow partyhat during the 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, and 2025 Christmas events.

v t e Corporeal Beast
NPCs	Corporeal Beast Dark energy core
Items	Drops Spirit shield Holy elixir Arcane sigil Elysian sigil Spectral sigil Jar of spirits Pet dark core Spirit shields Blessed spirit shield Arcane spirit shield Elysian spirit shield Spectral spirit shield
Others	Strategies Corporeal Beast's Lair Divine spirit shield Divine sigil